The phrase appears to be a highly specific or possibly slang/local term, likely originating from a misspelling or a regional dialect. Based on linguistic patterns and automotive context, it most likely refers to an "andaan" (Tagalog for "passage" or "way") transmission (often shortened to "tranny" in automotive circles).
2. Case Study: The "Andaan" Gearbox in Agricultural/Local Machinery andaan tranny
: Why some rear-end ratios are incompatible with new drivetrains. The phrase appears to be a highly specific
This paper focuses on the within a transmission's internal passages (the "andaan"). andaan tranny